134720563849 has 9 divisors (see below), whose sum is σ = 135370774119. Its totient is φ = 134073467040.

The previous prime is 134720563823. The next prime is 134720563853. The reversal of 134720563849 is 948365027431.

It is a happy number.

The square root of 134720563849 is 367043.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 101319346249 + 33401217600 = 318307^2 + 182760^2 .

It is not a de Polignac number, because 134720563849 - 2⁷ = 134720563721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134720563796 and 134720563805.

It is not an unprimeable number, because it can be changed into a prime (134720569849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88456602 + ... + 88458124.

It is a 1-persistent number, because it is pandigital, but 2⋅134720563849 = 269441127698 is not.

Almost surely, 2^134720563849 is an apocalyptic number.

134720563849 is the 367043-rd square number.

134720563849 is the 183522-nd centered octagonal number.

It is an amenable number.

134720563849 is a deficient number, since it is larger than the sum of its proper divisors (650210270).

134720563849 is an frugal number, since it uses more digits than its factorization.

134720563849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 134720563849 in words is "one hundred thirty-four billion, seven hundred twenty million, five hundred sixty-three thousand, eight hundred forty-nine".